Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The average high-temperature slightly decreases in December, shifting from a wintry 0.1°C (32.2°F) in November to a subzero cold -4.1°C (24.6°F). In Jormua, the month of December records an average minimum temperature of -7.7°C (18.1°F), a slight dip from the daily highs.Humidity
In Jormua, the average relative humidity in December is 95%.Rainfall
In Jormua, in December, it is raining for 4.4 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, in Jormua, Finland, there are 124.6 rainfall days, and 374mm (14.72") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Jormua, in December, snow falls for 23.5 days, with typically accumulated 157mm (6.18") of snow. Throughout the year, there are 126.3 snowfall days, and 903mm (35.55") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 4h and 18min of daylight.On the first day of the month, sunrise is at 09:29 and sunset at 14:25. On the last day of December, sunrise is at 10:02 and sunset at 14:19 EET.
Sunshine
The month with the least sunshine in Jormua is December, with an average of 0.6h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 1 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in Jormua in December?
What is the average humidity in December in Jormua?
How much does it rain in Jormua in December?
How many days does it snow in December in Jormua?
What is the month with the shortest days in Jormua?
What is the average length of the day in December in Jormua?
What time are sunrise and sunset in December in Jormua?
What is the month with the least sunshine in Jormua?
How many hours of sunshine does Jormua have in December?
When is the lowest UV index in Jormua?
What is the UV index reading in December in Jormua?
Average temperature in December
Jormua, Finland
- Average high temperature in December: -4.1°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (-7.3°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).
Average pressure in December
Jormua, Finland
- Average pressure in December: 1006.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in December
Jormua, Finland
- Average wind speed in December: 13.1km/h
The windiest months (with the highest average wind speed) are November and December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in December
Jormua, Finland
- Average humidity in December: 95%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in December
Jormua, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (48mm).
The driest months (with the least rainfall) are February and April (21mm).
Average rainfall days in December
Jormua, Finland
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Jormua, Finland
- Average snowfall in December: 157mm
The month with the highest snowfall is March (160mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Jormua, Finland
- Average snowfall days in December: 23.5 days
The month with the highest number of snowfall days is December (23.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Jormua, Finland
- Average daylight in December: 4h and 2min
The month with the longest days is June (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 4h and 18min).
- Average sunshine in December: 0h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in December
Jormua, Finland
- Average sunshine days in December: 8 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is April (7.6 days).
Average UV index in December
Jormua, Finland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Jormua, Finland
- Average cloud cover in December: 84
The months with the most cloud cover are January, February and December (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Jormua, Finland
- Average visibility in December: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
Jormua, Finland
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